Arthur Rubinstein vs Artur Rubinstein

Arthur Rubinstein and Artur Rubinstein both are nouns.

Word	Noun	Adjective	Verb	Adverb
Arthur Rubinstein	Yes	No	No	No
Artur Rubinstein	Yes	No	No	No

As nouns, Arthur Rubinstein and Artur Rubinstein are synonyms defined as:

Arthur Rubinstein and Artur Rubinstein: United States pianist (born in Poland) known for his interpretations of the music of Chopin (1886-1982)

Other synonyms of Arthur Rubinstein include Rubinstein.

Arthur Rubinstein (noun)	Artur Rubinstein (noun)
United States pianist (born in Poland) known for his interpretations of the music of Chopin (1886-1982)	United States pianist (born in Poland) known for his interpretations of the music of Chopin (1886-1982)